From a81c8a0ed7a45add1a8814a42e5d209ba674a119 Mon Sep 17 00:00:00 2001
From: _why <why@whytheluckystiff.net>
Date: Thu, 18 May 2006 20:16:34 +0000
Subject: [PATCH]  * lib/camping/fastcgi.rb: new FastCGI app mounter for
 running several apps in a single process.

---
 CHANGELOG              |  3 ++-
 README                 |  2 +-
 lib/camping/fastcgi.rb | 36 ++++++++++++++++++++++++++++++++++++
 3 files changed, 39 insertions(+), 2 deletions(-)
 create mode 100644 lib/camping/fastcgi.rb

diff --git a/CHANGELOG b/CHANGELOG
index 701d335..4ced7c6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,8 +1,9 @@
 = 1.4.2
-=== 10th May, 2006
+=== 18th May, 2006
 
 * Efficient file uploads for multipart/form-data POSTs.
 * Camping tool now uses Mongrel, if available.  If not, sticks with WEBrick.
+* Multiple apps can be loaded with the camping tool, each mounted according to their file name.
 
 = 1.4.1
 === 3rd May, 2006
diff --git a/README b/README
index 5aedf58..c6e78f8 100644
--- a/README
+++ b/README
@@ -100,7 +100,7 @@ If you run them from the commandline, you'll probably just see a pile of HTML.
 Camping comes with an tool for launching apps from the commandline:
 
 * Run: <tt>camping blog.rb</tt>
-* Visit http://localhost:3301/ to use the app.
+* Visit http://localhost:3301/blog/ to use the app.
 
 == Debugging Camping Apps
 
diff --git a/lib/camping/fastcgi.rb b/lib/camping/fastcgi.rb
new file mode 100644
index 0000000..0d8e043
--- /dev/null
+++ b/lib/camping/fastcgi.rb
@@ -0,0 +1,36 @@
+require 'fcgi'
+
+module Camping
+class FastCGI
+    def initialize
+        @mounts = {}
+    end
+    def mount(dir, app)
+        dir.gsub!(/\/{2,}/, '/')
+        dir.gsub!(/\/+$/, '')
+        @mounts[dir] = app
+    end
+    def match(path, mount)
+        m = path.match(/^#{Regexp::quote mount}(\/|$)/)
+        if m: m.end(0)
+        else  -1
+        end
+    end
+    def start
+        FCGI.each do |req|
+            # req.out << app.run(req.in, req.env)
+            path = req.env['SCRIPT_NAME'] + req.env['PATH_INFO']
+            dir, app = @mounts.max { |a,b| match(path, a[0]) <=> match(path, b[0]) }
+            req.env['SCRIPT_NAME'] = dir
+            req.env['PATH_INFO'] = path.gsub(/^#{dir}/, '')
+            req.out << app.run(req.in, req.env)
+            req.finish
+        end
+    end
+    def self.start(app)
+        cf = Camping::FastCGI.new
+        cf.mount("/", app)
+        cf.start
+    end
+end
+end